06aeb7d87f
svn path=/nixos/trunk/; revision=19630
253 lines
6.1 KiB
Nix
253 lines
6.1 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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let
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cfg = config.services.gnunet;
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configFile = with cfg; pkgs.writeText "gnunetd.conf"
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''
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[PATHS]
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GNUNETD_HOME = ${home}
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[GNUNETD]
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HOSTLISTURL = ${concatStringsSep " " hostLists}
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APPLICATIONS = ${concatStringsSep " " applications}
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TRANSPORTS = ${concatStringsSep " " transports}
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[LOAD]
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MAXNETDOWNBPSTOTAL = ${toString load.maxNetDownBandwidth}
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MAXNETUPBPSTOTAL = ${toString load.maxNetUpBandwidth}
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HARDUPLIMIT = ${toString load.hardNetUpBandwidth}
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MAXCPULOAD = ${toString load.maxCPULoad}
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INTERFACES = ${concatStringsSep " " load.interfaces}
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[FS]
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QUOTA = ${toString fileSharing.quota}
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ACTIVEMIGRATION = ${if fileSharing.activeMigration then "YES" else "NO"}
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[UDP]
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PORT = ${toString udp.port}
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[TCP]
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PORT = ${toString tcp.port}
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[MODULES]
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sqstore = sqstore_sqlite
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dstore = dstore_sqlite
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topology = topology_default
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${extraOptions}
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'';
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in
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{
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###### interface
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options = {
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services.gnunet = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to run the GNUnet daemon. GNUnet is GNU's anonymous
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peer-to-peer communication and file sharing framework.
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'';
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};
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home = mkOption {
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default = "/var/lib/gnunet";
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description = ''
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Directory where the GNUnet daemon will store its data.
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'';
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};
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debug = mkOption {
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default = false;
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description = ''
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When true, run in debug mode; gnunetd will not daemonize and
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error messages will be written to stderr instead of a
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logfile.
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'';
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};
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logLevel = mkOption {
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default = "ERROR";
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example = "INFO";
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description = ''
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Log level of the deamon (see `gnunetd(1)' for details).
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'';
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};
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hostLists = mkOption {
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default = [
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"http://gnunet.org/hostlist.php"
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"http://gnunet.mine.nu:8081/hostlist"
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"http://vserver1236.vserver-on.de/hostlist-074"
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];
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description = ''
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URLs of host lists.
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'';
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};
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applications = mkOption {
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default = [ "advertising" "getoption" "fs" "stats" "traffic" ];
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example = [ "chat" "fs" ];
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description = ''
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List of GNUnet applications supported by the daemon. Note that
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`fs', which means "file sharing", is probably the one you want.
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'';
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};
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transports = mkOption {
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default = [ "udp" "tcp" "http" "nat" ];
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example = [ "smtp" "http" ];
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description = ''
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List of transport methods used by the server.
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'';
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};
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fileSharing = {
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quota = mkOption {
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default = 1024;
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description = ''
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Maximum file system usage (in MiB) for file sharing.
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'';
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};
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activeMigration = mkOption {
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default = false;
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description = ''
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Whether to allow active migration of content originating
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from other nodes.
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'';
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};
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};
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udp = {
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port = mkOption {
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default = 2086; # assigned by IANA
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description = ''
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The UDP port for use by GNUnet.
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'';
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};
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};
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tcp = {
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port = mkOption {
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default = 2086; # assigned by IANA
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description = ''
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The TCP port for use by GNUnet.
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'';
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};
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};
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load = {
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maxNetDownBandwidth = mkOption {
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default = 50000;
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description = ''
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Maximum bandwidth usage (in bits per second) for GNUnet
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when downloading data.
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'';
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};
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maxNetUpBandwidth = mkOption {
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default = 50000;
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description = ''
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Maximum bandwidth usage (in bits per second) for GNUnet
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when downloading data.
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'';
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};
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hardNetUpBandwidth = mkOption {
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default = 0;
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description = ''
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Hard bandwidth limit (in bits per second) when uploading
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data.
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'';
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};
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maxCPULoad = mkOption {
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default = 100;
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description = ''
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Maximum CPU load (percentage) authorized for the GNUnet
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daemon.
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'';
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};
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interfaces = mkOption {
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default = [ "eth0" ];
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example = [ "wlan0" "eth1" ];
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description = ''
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List of network interfaces to use.
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'';
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};
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};
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extraOptions = mkOption {
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default = "";
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example = ''
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[NETWORK]
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INTERFACE = eth3
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'';
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description = ''
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Additional options that will be copied verbatim in `gnunetd.conf'.
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See `gnunetd.conf(5)' for details.
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'';
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};
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};
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};
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###### implementation
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config = mkIf config.services.gnunet.enable {
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users.extraUsers = singleton
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{ name = "gnunetd";
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uid = config.ids.uids.gnunetd;
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description = "GNUnet Daemon User";
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home = "/var/empty";
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};
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# The user tools that talk to `gnunetd' should come from the same source,
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# so install them globally.
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environment.systemPackages = [ pkgs.gnunet ];
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environment.etc = [
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# Tools such as `gnunet-transport-check' expect /etc/gnunetd.conf.
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{ source = configFile;
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target = "gnunetd.conf";
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}
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];
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jobs.gnunetd =
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{ description = "The GNUnet Daemon";
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startOn = "started network-interfaces";
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stopOn = "stopping network-interfaces";
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preStart =
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''
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test -d "${cfg.home}" || \
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( mkdir -m 755 -p "${cfg.home}" && chown -R gnunetd:users "${cfg.home}")
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'';
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exec =
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''
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${pkgs.gnunet}/bin/gnunetd \
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${if cfg.debug then "--debug" else "" } \
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--user="gnunetd" \
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--config="${configFile}" \
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--log="${cfg.logLevel}"
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'';
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};
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};
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}
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